Give the redshift of the model rather than the list of redshifts to correct...

Give the redshift of the model rather than the list of redshifts to correct for the redshift difference between the model and the observation.

pcigale/analysis_modules/pdf_analysis/workers.py

@@ -161,7 +161,7 @@ def analysis(idx, obs):
         # work on views of the arrays and not on copies to save on RAM.
         z = np.array(gbl_models.conf['sed_modules_params']['redshifting']['redshift'])
         wz = slice(np.abs(obs['redshift']-z).argmin(), None, z.size)
-        corr_dz = compute_corr_dz(z, obs['redshift'])
+        corr_dz = compute_corr_dz(z[wz.start], obs['redshift'])
     else:  # We do not know the redshift so we use the full grid
         wz = slice(0, None, 1)
         corr_dz = 1.